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Chapter 1
Question | Answer |
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Describe the levels of organization of life | 1. chemical 2. cellular 3. tissue 4. organ level 5.organ system level |
What is the role of the serous membranes covering some organs? | To prevent friction between the organ and body cavity wall two serous membrane layers are separated by a cavity containing serous fluid.-organs to slide without friction across the cavity walls and one another as they carry out their routine functions. |
What is the function of serous fluid? | It enables organs, such as the heart and the stomach, to slide across cavity walls and each other without friction-This freedom of movement is especially important for mobile organs, such as the pumping heart and the churning stomach. |
Which of the following organs is least likely to be damaged in an automobile accident? Stomach, intestines, bladder, or liver. | The urinary bladder is very well protected in the pelvic cavity by the two hip bones. |